you say cities have become more livable but not all cities are booming. what do the successful cities do right? >> well, i think there's a few things that successful cities do right. the most important thing is that they invest in their human capital. they invest in their talented people. they have great high schools and particularly colleges and universities, but also the best cities are making themselves attractive for highly skilled, ambitious, and entrepreneurial people. they have brought crime rates down low. they have cleaned thenselves up, cleaned up the pollution and waterfronts and made themselves more livable. >> i came back from china and was marveling at all of the infrastructure growth going on there. we talked on the show about how washington is dysfunctional, but even state government is pushing back on infrastructure projects which should over time return the ca to them, but we don't seem to think that way effectively in america. where do you get the impetus for large scale infrastructure development in america, things like transit, you ta